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Make the onError callback required in NetworkManager

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This helps ensure that loading errors are always handled correctly, and note that both `PDFNetworkStreamFullRequestReader` and `PDFNetworkStreamRangeRequestReader` already provided such a callback.
This commit is contained in:
Jonas Jenwald 2024-12-01 11:36:18 +01:00
parent 2661d0623b
commit eff8ede33e
1 changed files with 8 additions and 9 deletions
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13
src/display/network.js
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@ -85,11 +85,10 @@ class NetworkManager {
} }
xhr.responseType = "arraybuffer"; xhr.responseType = "arraybuffer";
if (args.onError) { assert(args.onError, "Expected `onError` callback to be provided.");
xhr.onerror = function (evt) { xhr.onerror = () => {
args.onError(xhr.status); args.onError(xhr.status);
}; };
}
xhr.onreadystatechange = this.onStateChange.bind(this, xhrId); xhr.onreadystatechange = this.onStateChange.bind(this, xhrId);
xhr.onprogress = this.onProgress.bind(this, xhrId); xhr.onprogress = this.onProgress.bind(this, xhrId);
@ -137,7 +136,7 @@ class NetworkManager {
// Success status == 0 can be on ftp, file and other protocols. // Success status == 0 can be on ftp, file and other protocols.
if (xhr.status === 0 && this.isHttp) { if (xhr.status === 0 && this.isHttp) {
pendingRequest.onError?.(xhr.status); pendingRequest.onError(xhr.status);
return; return;
} }
const xhrStatus = xhr.status || OK_RESPONSE; const xhrStatus = xhr.status || OK_RESPONSE;
@ -153,7 +152,7 @@ class NetworkManager {
!ok_response_on_range_request && !ok_response_on_range_request &&
xhrStatus !== pendingRequest.expectedStatus xhrStatus !== pendingRequest.expectedStatus
) { ) {
pendingRequest.onError?.(xhr.status); pendingRequest.onError(xhr.status);
return; return;
} }
@ -168,7 +167,7 @@ class NetworkManager {
}); });
} else { } else {
warn(`Missing or invalid "Content-Range" header.`); warn(`Missing or invalid "Content-Range" header.`);
pendingRequest.onError?.(0); pendingRequest.onError(0);
} }
} else if (chunk) { } else if (chunk) {
pendingRequest.onDone({ pendingRequest.onDone({
@ -176,7 +175,7 @@ class NetworkManager {
chunk, chunk,
}); });
} else { } else {
pendingRequest.onError?.(xhr.status); pendingRequest.onError(xhr.status);
} }
} }